Most long English words are built from smaller parts. Learn that spect means “look,” and inspect, spectator, respect and perspective all start to make sense. The Word.Studio Word Root Breakdown splits any word into its prefix, root and suffix, tells you what each part means and where it comes from, and shows other words built from the same parts. It’s free, it works on a whole vocabulary list at once, and it’s honest about the letters that only look like a prefix.
To start, just fill out the form.
Type a word in the Words or a Word Part box, such as transportation. You can also enter a short list of up to 10 words, separated by commas, like your vocabulary list for the week. The box holds about 10 words because the tool is built for words, not paragraphs. If you paste a sentence, it breaks down only the words in it that have parts.
The Show Me option picks what you get:
- Each word broken into parts gives you a breakdown of every word you typed. This is the default.
- Words built from a root, prefix or suffix explores one word part, such as spect, bio, un- or -ology, and lists 10 to 12 words that use it. If you type a whole word here, it explores that word’s main root.
If you type a word part on its own, like chron, the tool explores it even if you left Show Me on the first option.
The Grade Level option sets how plain the explanations are and which example words you get, from Elementary (grades 3–5) to College & science, which handles medical and science terms like erythrocyte.
When you’re ready, hit “Break It Down” and wait about 10 to 30 seconds. Use the copy button to save the results in your notes.
What You Get
- Word Breakdown is a table of each word, its parts with what each one means (trans- (across) + port (carry) + -ation (act of)) and a short definition that shows how the parts add up.
- The Parts lists every prefix, root and suffix once, with its meaning, the language it comes from (Latin portare, “to carry”) and three more words that use it.
- Watch Out points out spelling changes, look-alike parts and letters that only look like a prefix.
- Try It gives you four new words built from the same parts to figure out on your own, with the answers at the end.
When you explore a word part instead, you get its meaning, origin, other spellings and a memory tip, then a table of words that use it, Watch Out and Try It.
Prefixes, Roots and Suffixes: What’s the Difference?
A root is the core of a word and carries its main meaning. In inspection, the root is spect, “look.” Many roots come from Latin or Greek and aren’t words on their own. When the core is a whole English word, like happy in unhappiness, it’s called a base word.
A prefix comes before the root and changes its meaning: in- means “into,” so inspect is to look into something. A suffix comes after the root. Some suffixes add meaning, like -less (“without”), and many change the kind of word, like -ion, which turns the verb inspect into the noun inspection.
Put the meanings together and you can often work out a word you’ve never seen. Tele- means “far” and scope means “look at,” so a telescope is something for looking at faraway things.
Common Prefixes and What They Mean
- un- (not, or reverse): unhappy, unlock
- re- (again, or back): replay, return
- in-, im-, il-, ir- (not): invisible, impossible, illegal, irregular
- in-, im- (in, into): inhale, import
- dis- (not, or the opposite of): disagree, disappear
- non- (not): nonstop, nonfiction
- mis- (wrongly): misread, misspell
- pre- (before): preview, predict
- sub- (under): submarine, subway
- inter- (between): interact, international
- trans- (across): transport, transform
- ex- (out): exit, export
- de- (down, away or undo): descend, defrost
- over- (too much, or above): overcook, overhead
- under- (below, or too little): underground, undercooked
- super- (above, beyond): superhero, supervise
- anti- (against): antifreeze, antibiotic
- co-, con-, com- (with, together): cooperate, connect, combine
- semi- (half): semicircle, semifinal
- fore- (before, front): forecast, forehead
Common Suffixes and What They Mean
- -er, -or (a person or thing that does): teacher, actor, projector
- -ist (a person who): artist, scientist
- -tion, -sion, -ion (the act or result of): action, decision
- -ment (the act or result of): movement, payment
- -ness (the state of being): kindness, darkness
- -able, -ible (can be done, or able to be): readable, visible
- -ful (full of): helpful, joyful
- -less (without): careless, fearless
- -ous (full of, having): famous, dangerous
- -al (relating to): musical, natural
- -ive (tending to): active, creative
- -y (full of, having): rainy, sleepy
- -ly (in a certain way): quickly, kindly
- -ize (to make or become): modernize, memorize
- -ology (the study of): biology, geology
Common Latin Roots
- aud (hear): audio, audience, auditorium
- cred (believe): incredible, credit
- dict (say): predict, dictionary, contradict
- duc, duct (lead): conduct, produce, educate
- form (shape): transform, uniform, formula
- ject (throw): eject, project, reject
- man, manu (hand): manual, manuscript, manicure
- mit, miss (send): transmit, mission, submit
- ped (foot): pedal, pedestrian
- port (carry): transport, portable, export
- rupt (break): erupt, interrupt, rupture
- scrib, script (write): describe, scribble, manuscript
- spect (look): inspect, spectator, respect
- struct (build): construct, structure, instruct
- terr (earth, land): territory, terrain
- tract (pull): tractor, attract, subtract
- vert, vers (turn): reverse, convert, vertical
- vis, vid (see): visible, video, vision
Common Greek Roots
- auto (self): automatic, autograph
- bio (life): biology, biography
- chron (time): chronological, synchronize
- geo (earth): geography, geology
- graph (write, draw): paragraph, autograph
- hydr (water): hydrant, dehydrate
- meter (measure): thermometer, diameter
- micro (small): microscope, microwave
- phon (sound): telephone, symphony
- photo (light): photograph, photosynthesis
- psych (mind): psychology
- scope (look at): telescope, microscope
- tele (far): television, telescope
- therm (heat): thermometer, thermal
Watch Out: Not Every “re” Is a Prefix
Letters that look like a prefix aren’t always one. Take the “prefix” off and see what’s left. In replay, you get play, and “play again” fits. In ready, you get “ady,” which means nothing, so ready has no prefix. The same goes for uncle, pretty and real. And a carpet has nothing to do with cars or pets.
Some prefixes change their spelling to match the next sound, because the result is easier to say. In- becomes im- in impossible, il- in illegal and ir- in irregular. Con- becomes com- in combine and col- in collect.
The same letters can also be two different parts. In- means “not” in invisible but “into” in inhale, which is why inflammable means “easily set on fire,” just like flammable. Ped means “foot” in pedal (from Latin) but “child” in pediatrician (from Greek). When a breakdown doesn’t make sense, check which meaning fits the whole word.
Why Learning Roots Works
A large share of English words come from Latin and Greek, and in science the share is even higher. A small set of parts goes a long way. One often-cited study of school reading found that just four prefixes (un-, re-, dis- and in- in its “not” sense, with im-, il- and ir-) make up more than half of all the prefixed words students meet. Learn the common parts and you can make a smart guess at thousands of new words, on a test or in a textbook.
Using the Word Root Breakdown in Class
Teachers can link straight to this page from Google Classroom or any learning platform, and students can use it without an account. Enter the week’s vocabulary list to get a breakdown table and a chart of every part in one run, then copy it into a handout or slide. Use Show Me with a root of the week, like port or graph, to build a word wall, and use the Try It words as a warm-up or exit ticket. Set the Grade Level to match your class.
It works best after students try a breakdown on their own first. AI can make mistakes with word histories, so check any surprising breakdown in a good dictionary, and talk through the Watch Out notes together.
More Tools for Words
Want the full story of a single word, from its first language to how its meaning changed? Try the Etymology Explorer.
